Molecular distiller

A technology of molecular distillation and scraping film, which is applied in the field of molecular distillation to achieve the effects of suppressing overheating, reducing the probability of thermal decomposition, and reducing the requirements for processing accuracy

Active Publication Date: 2017-04-05
YASHENTECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This phenomenon is especially severe when both rigid bodies are metallic and leads to the generation of non-mechanical impurities

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0027]The first embodiment of the present invention relates to a molecular still, see figure 1 and figure 2 As shown in combination, it includes: a motor (not shown in the figure), a distillation cylinder 2, a heating jacket (not shown in the figure) positioned at the outside of the distillation cylinder 2, and a condenser 7 and a wiper film arranged in the middle of the distillation cylinder 2 Device 1, film wiper 1 is driven by a motor and installed in the distillation cylinder 2 close to the inner wall of the distillation cylinder. And, this molecular distiller also includes: several scraping film groups that are arranged on the scraper 1, and each scraping film group at least includes a scraper 3 and a flexible scraper 4, and the flexible scraper 4 is arranged on the top of the scraper 3 At the rear end, the scraper 3 and the flexible scraper 4 slide according to the rotation direction of the film wiper 1; wherein, the scraper 3 and the inner wall of the distillation cyl...

Embodiment 2

[0037] A second embodiment of the present invention relates to a molecular still. The second embodiment is further expanded on the basis of the first embodiment, the main difference is: in the second embodiment of the present invention, see image 3 As shown, the flexible scraper 4 is partly bent towards the side away from the rotation direction of the film wiper 1 , wherein the curved portion of the flexible scraper 4 is a convex curved surface on the side opposite to the inner wall of the distillation cylinder 2 . Further speaking, the curved portion of the flexible scraper 4 forms an outwardly convex self-adaptive curved surface relative to the inner wall of the distillation cylinder 2 , which fully adheres to the inner wall. In the process of scraping the film, the material itself can lubricate between the flexible scraper 4 and the inner wall, thereby avoiding the abrasion caused by the contact between the flexible scraper 4 and the inner wall.

[0038] like figure 2 A...

Embodiment 3

[0041] A third embodiment of the present invention relates to a molecular still. The third embodiment is further expanded on the basis of the second embodiment, the main difference is that: in the third embodiment of the present invention, the wiper 1 includes several strips equidistantly arranged around the axis of the distillation cylinder 2 The mounting groove 6, the upper fixing plate and the lower fixing plate for fixing the mounting groove 6. Wherein, each installation groove 6 is provided with at least one wiper film group. Utilizing the installation groove 6 and the fixing plate can provide effective support for the scraping film group under the premise of ensuring the distillation efficiency. Specifically, in order to reduce the mechanical disturbance of the distiller, a positioning mechanism, such as a positioning ring or a positioning wheel, may also be installed in the middle or bottom of the film wiper 1 . The wiper 1 can automatically adjust the axis of rotatio...

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PUM

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Abstract

The invention relates to the technical field of molecular distillation and discloses a molecular distiller. The molecular distiller comprises a motor, a distillation cylinder, a heating jacket located outside the distillation cylinder, and a condenser and a membrane scraper located in the middle of the distillation cylinder. The membrane scraper is driven by the motor and is arranged in the distillation cylinder and close to the inner wall of the distillation cylinder. The membrane scraper comprises several membrane scraper groups. The membrane scraper group at least comprises a scraper plate and a flexible scraper blade, the flexible scraper blade is arranged at the rear end of the scraper plate, and the scraper plate and the flexible scraper blade slide along a rotation direction of the membrane scraper. The scraper plate and the distillation cylinder inner wall form an appropriate space and do not contact with each other. A part of the flexible scraper blade fits to the inner wall of the distillation cylinder. The molecular distiller utilizes a combined structure of the rigid scraper plate and the flexible scraper blade, forms a uniform liquid material membrane, prevents mechanical friction between the membrane scraper and the evaporation surface, and is particularly suitable for molecular distillation of the heat-sensitive material and/or the mechanical friction sensitive material.

Description

technical field [0001] The invention relates to the technical field of molecular distillation, in particular to a molecular still. Background technique [0002] Molecular distillation, also known as short-path distillation, is a liquid-liquid separation technology under vacuum conditions. It has the characteristics of low distillation temperature, high vacuum degree, short thermal contact time, and high separation degree. It is especially suitable for high boiling point, heat sensitivity, Separation of easily decomposable substances. The basic principle of molecular distillation is to force the liquid material to form a film on the hot surface through a mechanical device, usually using a rotating scraper. The light components in the material are evaporated by heat, escape from the hot surface, and are captured by the cold surface; The membrane device and the distillate (heavy components) are quickly removed from the hot surface, thereby realizing the separation of liquid ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/12
Inventor 王尤崎丁金斌毛华平徐勇华李克绪
Owner YASHENTECH CORP
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